Seller financing alongside a multifamily acquisition loan

Seller financing allows part of a multifamily acquisition price to remain payable to the seller after closing. It can reduce the buyer's immediate cash requirement or help bridge a financing gap. It also creates another obligation that must fit the senior lender's requirements, the property's cash flow, and the buyer's eventual exit.

For a large apartment transaction, negotiate seller financing as part of the acquisition and capital structure together. The purchase agreement, senior loan, seller note, security documents, and any subordination arrangement must describe the same transaction. A seller's willingness to accept a note does not establish that the mortgage lender will permit it.

Distinguish deferred consideration from a funded loan

Suppose a property costs $90 million and acquisition costs total $4 million. A $60 million mortgage and $24 million of buyer equity provide $84 million. The remaining $10 million requirement can be met by the seller accepting a $10 million note instead of receiving that amount of the price in cash.

At closing, the seller receives $80 million of cash purchase proceeds and a $10 million note. The other $4 million of buyer sources pays acquisition costs. The seller note is counted once as deferred purchase consideration, not also as cash deposited into the buyer's operating account.

Actual apartment sales can include noncash financing arrangements. A historical Greystone disclosure describes an unsecured property loan received in connection with an apartment-property sale, subordinate to assumed mortgage debt and payable from future property cash flows.^[1] That specific transaction illustrates structural possibilities; it does not establish standard terms for another acquisition.

Identify whether the proposed arrangement is a property-level note, an obligation of the acquisition entity, or an upper-tier obligation. Determine whether it is secured and by what collateral. “Seller carry” is commercial shorthand, not a complete description of the legal or economic terms.

Obtain senior acceptance before relying on the note

Provide the senior lender with the note amount, payment schedule, maturity, security, guaranties, and remedies. Review restrictions on additional debt, liens, pledges, transfers, and distributions. A filed multifamily mortgage agreement illustrates that transfer and cash-management requirements are separate contractual subjects.^[2]

For Fannie Mae financing, review the applicable program and current subordination documents with the lender. A December 2025 lender letter revised conventional and affordable subordination forms, including repayment provisions.^[3] An acquisition seller note should not be presumed eligible merely because it sits behind the mortgage. The product, documents, and proposed structure need specific review.

Avoid an informal promise to make the seller note disappear from lender underwriting. The lender needs the complete obligation. Moving a note to an affiliated entity can change its legal placement without eliminating its repayment burden or the restrictions affecting distributions used to pay it.

Define payment priority precisely

Clarify whether the seller receives fixed current interest, available-cash payments, accrued interest, principal amortization, or a balloon. Explain whether a payment blocked by the senior agreement becomes deferred, creates a default, or has another consequence under the seller documents.

Fannie Mae's December 2025 document update added prepayment restrictions and applicable aggregate Surplus Cash limits to its subordination forms.^[3] Check the operative agreement's payment language rather than promising the seller unrestricted cash. Other mortgage lenders may require a different agreement covering payment blockage, remedies, maturity, or senior modifications.

For a hypothetical $10 million seller note at 8% annual cash interest with no amortization, annual interest is $800,000. If senior debt service is $4.2 million and NOI is $6.5 million, combined cash debt service is $5 million and coverage is 1.30 times. The $1.5 million remaining is before capital spending, reserves, and other cash uses excluded here.

If the note instead defers interest, show the resulting payoff growth under its actual accrual convention. Do not apply an assumption that deferred interest is forgiven. Bank supervisory guidance emphasizes cash-flow repayment analysis; the same modeling discipline helps expose whether seller financing solves only the closing requirement.^[4]

Put the balloon on the acquisition calendar

Assume the seller note matures in two years while the senior mortgage matures in five. The buyer needs a repayment source in year two. A refinance of the seller note may require additional senior consent, enough permitted cash flow, and a willing replacement capital provider. The senior mortgage remaining outstanding is not itself a repayment source.

Model repayment from retained cash, additional equity, an approved financing, or a sale. Show net proceeds after required reserves and costs. If the note carries a large maturity payment, the business plan must explain why the property or sponsor will have enough available money at that date.

Consider a downside case in which lease-up takes longer or repairs cost more. Identify whether the seller will extend, and under what documented conditions. A relationship-based expectation can inform negotiations, but it should not be treated as an enforceable extension option in the model.

Evaluate price and financing together

A seller may accept a note in exchange for a higher price or other concessions. Compare the entire acquisition with a cash-price alternative using the same operating assumptions. Include financing costs, fees, guaranties, and payoff terms. A favorable note rate can still accompany an unfavorable asset price.

Keep valuation evidence separate from the agreed transaction price. A lender may size its loan from its own underwriting and valuation rather than the buyer's contract price. The OCC commercial real estate handbook discusses value and repayment analysis within bank lending supervision.^[5] Seller financing does not make an unsupported price supportable.

Also inspect acquisition obligations that remain relevant after closing: indemnities, adjustment payments, escrow releases, and disputes. Ask counsel whether any offset against seller-note payments is permitted and how that interacts with senior requirements. Do not assume that a purchase-price dispute automatically excuses a payment under a separately drafted note.

Prepare documents for the full financing arrangement

If senior consent is needed, submit a complete request early and obtain the relevant process and document requirements from the lender. OCC refinance guidance for banks considers refinancing needs, timing, other debt maturities, and transaction costs.^[6] Apply that planning discipline to the seller note without assuming that a submission date guarantees an approval date.

Reconcile ownership charts, collateral, lien priority, payment restrictions, guaranties, notice rights, and default consequences. Ensure that funds flow and settlement statements agree with the note and purchase agreement. Review the senior cash waterfall before committing property distributions to the seller.^[7]

Seller financing is most effective when it reduces a defined closing constraint while leaving a credible repayment path. The buyer should finish with an approved capital structure, enough cash to operate after acquisition, and a dated plan for retiring the note. Those requirements matter more than the apparent convenience of negotiating financing directly with the seller.